diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2014-02-14 16:27:08 +0400 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-02-22 22:51:10 +0400 |
| commit | c0baf8485928b2db8a9530672d522d758746a2b6 (patch) | |
| tree | c0bf4982b52ffca8ae77f9a3590f666590438873 /drivers/mmc/core/host.c | |
| parent | b66bd0e4d00c89102851c1bc9a0f738a4ad9ca2d (diff) | |
| download | linux-c0baf8485928b2db8a9530672d522d758746a2b6.tar.xz | |
mmc: core: Add DT bindings for eMMC high-speed DDR 1.8/1.2V
Provide the option to configure these speed modes per host, for those
host driver's that can't distinguish this in runtime.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/core/host.c')
| -rw-r--r-- | drivers/mmc/core/host.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 2644d91fd336..d014127f1043 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -439,6 +439,10 @@ int mmc_of_parse(struct mmc_host *host) host->pm_caps |= MMC_PM_KEEP_POWER; if (of_find_property(np, "enable-sdio-wakeup", &len)) host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; + if (of_find_property(np, "mmc-ddr-1_8v", &len)) + host->caps |= MMC_CAP_1_8V_DDR; + if (of_find_property(np, "mmc-ddr-1_2v", &len)) + host->caps |= MMC_CAP_1_2V_DDR; return 0; |